CVE-2020-25704

Name: CVE-2020-25704
Creator: NVD / NIST
Published: 2020-12-02T01:15:12.67+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.35%

Last modified Jun 17, 2026

CVE-2020-25704 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. A flaw memory leak in the Linux kernel performance monitoring subsystem was found in the way if using PERF_EVENT_IOC_SET_FILTER. A local user could use this flaw to starve the resources causing denial of service.. EPSS estimates a 0.35% chance of exploitation in the next 30 days.

Description

A flaw memory leak in the Linux kernel performance monitoring subsystem was found in the way if using PERF_EVENT_IOC_SET_FILTER. A local user could use this flaw to starve the resources causing denial of service.

Metrics

CVSS 3.1

5.5/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.35%

26.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions	Update
Linux	Linux Kernel	<= 5.9	—
Linux	Linux Kernel	5.10	Rc1
Debian	Debian Linux	9.0	—
Starwindsoftware	Command Center	All versions	—
Starwindsoftware	Starwind Hyperconverged Appliance	All versions	—
Starwindsoftware	Starwind San \& Nas	v8r12	—
Starwindsoftware	Starwind Virtual San	v8	Build14398

References

https://bugzilla.redhat.com/show_bug.cgi?id=1895961Issue Tracking, Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7bdb157cdebbf95a1cd94ed2e01b338714075d00Patch, Vendor Advisory
https://lists.debian.org/debian-lts-announce/2020/12/msg00015.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/12/msg00027.htmlMailing List, Third Party Advisory
https://www.openwall.com/lists/oss-security/2020/11/09/1Mailing List
https://www.starwindsoftware.com/security/sw-20220802-0003/Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1895961Issue Tracking, Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7bdb157cdebbf95a1cd94ed2e01b338714075d00Patch, Vendor Advisory
https://lists.debian.org/debian-lts-announce/2020/12/msg00015.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/12/msg00027.htmlMailing List, Third Party Advisory
https://www.openwall.com/lists/oss-security/2020/11/09/1Mailing List
https://www.starwindsoftware.com/security/sw-20220802-0003/Third Party Advisory

Timeline

Published: Dec 2, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-25704?

How severe is CVE-2020-25704?

CVE-2020-25704 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.35% probability of exploitation in the next 30 days.

How do I fix CVE-2020-25704?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-25704?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST